Denver's Channel 7 Storm Chasers

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Friday, December 26, 2008

Michael and Eric made the trip last night to our Amarillo chase base and today they will be in good position to chase the 10% hatched risk of tornadoes in eastern Oklahoma today!

...SRN AND CNTRL PLNS/OZARKS... AHEAD OF APPROACHING UPR TROUGH...50-60 KT SSWLY LLJ FROM E TX INTO MO/IL WILL SUPPORT CONTINUED STRONG BOUNDARY LAYER MOISTURE RETURN ACROSS ERN PARTS OF THE SRN PLNS AND OZARKS...WITH 60 DEG F SFC DEWPOINTS EXPECTED AS FAR N AS CNTRL MO BY EARLY SATURDAY. ALOFT...STRONG SWLY MID AND UPR LVL FLOW EXPECTED TO FURTHER STRENGTHEN AND SLIGHTLY BACK DURING THE PERIOD. 500 MB SPEEDS AOA 60 KT ARE EXPECTED THIS EVENING OVER CNTRL/ERN OK AND MO...WITH WINDS INCREASING TO AROUND 80 KTS EARLY SATURDAY.

WITH THE INITIAL ACTIVITY OCCURRING IN A HIGHLY-SHEARED ENVIRONMENT AWAY FROM STRONG LOW LVL LINEAR FORCING...SETUP SHOULD SUPPORT A FEW ELONGATED...QUASI-DISCRETE SUPERCELLS. QUALITY OF MOISTURE INFLOW AND 25-30 KT 0-1 KM SHEAR SUGGEST POTENTIAL FOR A FEW TORNADOES...IN ADDITION TO BOWING SEGMENTS WITH HIGH WIND...DESPITE WEAK MID LVL LAPSE RATES. WITH TIME...STORM MODE MAY BECOME MORE COMPLEX AS ASSOCIATED COLD POOLS ELONGATE AND MERGE. BUT A CONTINUED THREAT FOR SVR WEATHER...INCLUDING POSSIBLE TORNADOES...LIKELY WILL CONTINUE THROUGH DAYBREAK SATURDAY.

FARTHER W...ANOTHER BAND OF STORMS MAY FORM AFTER 06Z FROM SE KS SSW THROUGH CNTRL OK INTO N CNTRL TX AS AFOREMENTIONED COLD FRONT ACCELERATES SEWD. THIS ACTIVITY MAY POSE A THREAT FOR SVR HAIL...IN ADDITION TO HIGH WIND AND PERHAPS A TORNADO...AS IMPULSE NOW OVER NV EDGES E TOWARD REGION.